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Precision Die Casting Excellence

15+ Years of Expertise in Aluminum & Zinc Alloy Die Casting | OEM/ODM | CNC Machining | Smart Lock & Connector Solutions

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About DGSJ Precision

DongGuan City ShangJie Precision Metal Products Co., Ltd. is a professional metal die casting manufacturer with over 15 years of experience. Originally established as ShenZhen City DingSheng Die Casting Metal Products Co., Ltd., we specialize in Precision Aluminum-Alloy and Zinc-Alloy Die Casting Parts, along with CNC Precision Machining services.

Located in Dongguan City — known as the “famous manufacturing city in the world” — our 5,000-square-meter facility employs around 80 skilled workers and technical personnel. We are more than just an OEM factory; we are an integrated enterprise focused on design, R&D, and production.

15+

Years Experience

5,000m²

Factory Area

80+

Team Members

24/7

Support

Factory Interior

Our Product Range

We offer a wide range of precision die-cast and machined metal components for diverse industries including smart locks, industrial equipment, automotive, and communication systems.

Electric Cable Connector

Electric Cable Connector

Precision die-cast connectors for industrial and communication equipment. Customizable pin configurations and clamping types.

Smart Lock Frame

Smart Lock Frame

Custom-designed zinc alloy frames for intelligent locks. Complete mold development and batch production support.

Cable Clamper

Cable Clamper

Durable clamping solutions for electric connectors. Designed for secure cable retention and easy installation.

Connecting Head

Connecting Head

High-precision die-cast heads for electric connectors. Ideal for communication and industrial applications.

Zinc Alloy Die Casting

Zinc Alloy Die Casting

High-strength, corrosion-resistant parts ideal for complex geometries and fine details.

Aluminum Die Casting

Aluminum Die Casting

Lightweight, thermally conductive components perfect for automotive and electronic housings.

CNC Machined Parts

CNC Machined Parts

Precision turning, milling, grinding, and tapping for tight-tolerance components.

Automotive Precision Parts

Automotive Parts

Reliable, high-performance metal components for automotive systems and subsystems.

Financial Equipment Parts

Financial Equipment Parts

Durable and precise components for ATMs, payment terminals, and banking hardware.

Custom Die Casting Solutions

Custom Die Casting

End-to-end service from design and mold making to mass production and packaging.

Our Services

From concept to completion, we provide comprehensive manufacturing solutions tailored to your needs.

OEM & ODM

We accept custom orders and support full product development from drawing to sample and mass production.

CNC Machining

Precision turning, milling, grinding, polishing, and tapping for complex metal parts.

Mold Design & Making

Custom mold development based on your product design and specifications.

One-Stop Service

Complete process from die casting to CNC machining, finishing, and packaging.

Our Production Process

We follow a rigorous, quality-driven process to ensure every component meets the highest standards.

1. Product Design & Drawing

We work with your specifications to create precise technical drawings and 3D models for your custom parts.

Design Process

2. Mold Making

High-precision molds are crafted based on approved designs to ensure consistency and accuracy in production.

Mold Making

3. Die Casting

Using advanced automatic die casting lines, raw materials are melted and forged into precise shapes under high pressure.

Die Casting

4. CNC Machining & Finishing

Cast parts undergo precision CNC machining, including turning, milling, and polishing, to achieve final dimensions and surface quality.

CNC Machining

5. Quality Inspection & Packaging

Every product is thoroughly inspected and tested before packaging to ensure 100% reliability and performance.

Quality Control

Why Choose DGSJ Precision?

Professional Engineering Team

Experienced engineers provide design support, drawing development, and sample creation for your custom needs.

High-Quality Raw Materials

We use environmentally friendly, green-certified materials that meet international standards.

Cost-Effective Solutions

Sophisticated cost accounting ensures competitive pricing without compromising quality.

Strict Quality Control

Every product is inspected and tested before packaging to ensure perfection.

Advanced Equipment

State-of-the-art die casting and CNC machining centers ensure precision and consistency.

24/7 Support

We offer round-the-clock service and engineering support for pre-sale and after-sale inquiries.

Get in Touch

Ready to start your project? Contact us today for a quote or technical consultation.

Contact Information

Phone: +86-769-87699009

Support: +86-13418363751

Email: sjzjls@sjyzwj.com

Address: No.6 Dongsheng Road, Old Village, Huangjiang Town, Dongguan City, China

Working Hours: Monday - Saturday, 8:00 - 18:00

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